"With those letters? The only words I can think of using those letters are...let's see...'fisheries', 'chiselers', 'chiseler', 'belfries', 'fleshier', 'relishes', 'slicers', 'selfish', 'reliefs', 'fishers', 'chisels', 'filches', 'risible', 'refiles', 'febrile', 'chilies', 'birches', 'heiress', 'cerises', 'herself', 'chiefer', 'scribes', 'heifers', 'beliefs', 'fishier', 'fibrils', 'lichees', 'belches', 'fleshes', 'fissile', 'lechers', 'helices', 'briefs', 'crisis', 'serifs', 'crises', 'refile' ,'fibril', 'sheers', 'cerise', 'screes', 'screes', 'elfish', 'slices', 'liefer'...there's more, but I can't find any for house."
"Besides, if we use the 'T' for 'fourth', we can't use it for 'first', and I think whoever made this up gave us 'thrifts' on purpose because it was a famous anagram with 'the first'."